Paques I.p.b.v.

Jacob Cornelis Theodorus Vogelaar

Leonard Hubertus Alphonsus Habets

Jelle Hendrik De Boer

Veronica Henrika Johanna Groot Kormelinck

Rienk Prins

Antonius Bernardus Vallinga

Maxime José Jean Remy

Remco De Vries

A gas-liquid separation device () for an anaerobic purification device for purification of wastewater, the gas-liquid separation device comprising:

Degassing device for anaerobic purification device

A process for aerobic treatment of wastewater is provided, which process comprises: (a) supplying a liquid influent comprising wastewater to a reactor containing granular biomass; (b) subjecting the reaction mixture to aerobic conditions comprising a concentration of dissolved oxygen from 0.1 mg/L to 4.0 mg/L, and a hydraulic retention time from 0.5 to 72 hours; (c) separating the reaction mixture into granular biomass and treated wastewater; and (d) recycling separated granular biomass to the reaction mixture. A bioreactor for the process is also disclosed, comprising a reaction vessel provided with an aeration means, a solids separation device with an inlet in the lower part of the reaction vessel having an outlet line for solids arranged to transport separated solids to a riser driven by airlift action and arranged to transport the solids to the upper part of the reaction chamber.

Aerated reactor with internal solids separation

An anaerobic purification device for purification of wastewater, the anaerobic purification device comprising:

Anaerobic purification device with variable water column

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Balk, Netherlands

Jacob Cornelis Theodorus Vogelaar